<html>
<head>
  {% if next_url %}
      <meta http-equiv="refresh" content="0;url={{ next_url }}"/>
  {% endif %}
</head>
<body>
  <h3>Update Datastore</h3>
  <ul>
    <li>Updated up to: {{ current_name }}</li>
    <li>About to update: {{ next_name }}</li>
  </ul>
</body>
</html>